Best Natural Selenium Supplements of 2025

Elisa Drew Avatar
Elisa Drew
Last Updated: Jan 6, 2025

* We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation.

Natural selenium supplements are a great way to ensure that your body is getting the essential mineral it needs to function properly. Selenium is a powerful antioxidant that helps to protect cells from damage, supports a healthy immune system, and plays a role in thyroid function. These supplements are made from natural sources of selenium, such as Brazil nuts or yeast, and are available in various forms including capsules, tablets, and liquid drops. They are a safe and effective way to supplement your diet with this important nutrient and can be particularly beneficial for those with low selenium levels or certain health conditions.

At a Glance: Our Top Picks

Triquetra Health Total Selenium Cover #TOP 1
Triquetra Health Total Selenium
ftb score rating icon 9.8
Best Naturals Selenium Supplement Cover #TOP 2
Best Naturals Selenium Supplement
ftb score rating icon 9.7
Natural Scientific Selenium 200mcg Capsules Cover #TOP 3
Natural Scientific Selenium 200mcg Capsules
ftb score rating icon 9.5

Top 10 Natural Selenium Supplements

Triquetra Health Total Selenium

Triquetra Health Total Selenium Cover
Total Selenium - 200 mcg, Plant-Based Selenium - Full Spectrum, Contains 4 Essential Organic Forms of Selenium Including Selenomethionine - Derived from Garlic - 60 Capsules

Total Selenium is a 100% plant-based selenium supplement brought to you by Triquetra Health. Derived from garlic using an innovative organic farming process, this supplement offers the most nutrient-dense form of selenium available. It contains all four essential organic forms of selenium, including selenomethionine, which allows for broad-spectrum health benefits. With a clinically validated dose of 200 mcg per capsule, Total Selenium provides the recommended amount for optimal health. Additionally, the organic forms of selenium in this supplement are highly bioavailable, meaning they are easily recognized and utilized by the body. Made in the USA in a cGMP and organic certified facility, Total Selenium is also third-party tested for toxins and microbials. This vegan-friendly supplement is GMO-free, soy-free, gluten-free, preservative-free, and additive-free.

What We Like
100% Plant Based
Full-Spectrum Selenium
200mcg Selenium Per Dose
#TOP 2

Best Naturals Selenium Supplement

817716013473
Best Naturals Selenium Supplement Cover
Best Naturals Selenium 200 mcg Supplement, 240 Count

If you're looking for a high-quality selenium supplement, Best Naturals Selenium 200 mcg Supplement might be an excellent choice. This supplement is non-GMO, gluten-free, and contains no artificial color, flavor, or sweetener. Each tablet provides 200 mcg of selenium, an essential trace mineral that is found naturally in certain foods. Best Naturals products are GMP certified, ensuring that they meet the highest standards in the world, and are 3rd party lab tested for purity and quality. With 240 tablets per bottle, this supplement is an excellent value for your money.

What We Like
Non-GMO, gluten-free, and contains no artificial color, flavor, or sweetener
Provides 200 mcg of selenium per tablet, an essential trace mineral
GMP certified and 3rd party lab tested for purity and quality
#TOP 3

Natural Scientific Selenium 200mcg Capsules

NATURAL SCIENTIFIC
Natural Scientific Selenium 200mcg Capsules Cover
Selenium 200mcg Capsules - Organic Selenium Supplement for Antioxidant Support & Immune Health - Vegan, Gluten-Free, Non-GMO - 60 Capsules, 2-Month Supply - Premium Supplement by Natural Scientific

Natural Scientific Selenium Capsules offer a premium source of this essential mineral derived from organic mustard seeds, ensuring high absorption without any harmful additives. By avoiding maltodextrin, these capsules help maintain your gut health and reduce inflammation. With a potent 200mcg dose of selenium, you can effectively support your overall well-being, including your immune system and thyroid function. Additionally, the inclusion of Piperine from black pepper enhances the absorption of selenium, making it easier for your body to benefit from this important nutrient.

What We Like
Organic, high-quality ingredients
No harmful additives
Boosts absorption
Supports immune health
Promotes gut health

Mason Natural Selenium 200 mcg

MAV12495
Mason Natural Selenium 200 mcg Cover
Mason Natural Selenium 200 mcg - Antioxidant Supplement for Immune Support & Prostate Health, Essential Trace Mineral, 60 Tablets

Mason Natural Selenium is a powerful antioxidant supplement that supports immune and prostate health. Each tablet contains 200 mcg of selenium, an essential trace mineral that helps defend the body against oxidative stress and inflammation. By promoting a healthy inflammatory response, it may reduce the risk of prostate gland swelling and pressure on the urethra. With no added sugar, starch, sodium, soy, wheat, egg, corn, or dairy, these tablets provide a convenient and easy way to incorporate selenium into your daily routine. Mason Natural has been producing quality vitamin supplements for over 50 years, ensuring their products adhere to strict manufacturing practices and quality standards.

What We Like
Immune and prostate support
Powerful antioxidant
Convenient and easy to take

Puregen Labs Selenium 200 mcg Tablets

Puregen Labs Selenium 200 mcg Tablets Cover
Puregen Labs Selenium 200 mcg Yeast Free Essential Mineral - 500 Vegetarian Tablets | Immune & Antioxidant Support | Non-GMO, Gluten Free, Made in USA

Puregen Labs Selenium Tablets provide a potent dose of 200 mcg of selenium per serving, which is essential for maintaining a healthy immune system. This trace mineral plays a vital role in various bodily functions, including reproduction and thyroid hormone metabolism. Additionally, selenium acts as an antioxidant, protecting your cells from damage by neutralizing free radicals and helping to recycle vitamin E. With 500 vegetarian tablets in each bottle, you can easily meet your selenium needs, ensuring support for your skin, hair, and nails while enjoying the convenience of a daily supplement.

What We Like
High potency formula
Supports immune health
Antioxidant properties
Value size bottle
Vegetarian and non-GMO
#TOP 6

Bronson Selenium 200 mcg - Essential Trace Mineral for Immune System and Metabolism Support, 250 Vegetarian Capsules

528B
Bronson Selenium 200 mcg - Essential Trace Mineral for Immune System and Metabolism Support, 250 Vegetarian Capsules Cover
Bronson Selenium 200 mcg – Yeast Free Chelated Amino Acid Complex - Essential Trace Mineral with Superior Absorption, 250 Vegetarian Capsules

The Bronson Selenium 200 mcg is a yeast-free chelated amino acid complex that provides essential micronutrient selenium for immune system, thyroid and metabolism support. Albion Minerals chelated technology ensures superior absorption, stability, quality and easy digestion. It is laboratory tested Non-GMO, Gluten Free, Soy Free supplement in 250 vegetarian capsules. Bronson Vitamins have been a trusted brand since 1960, recommended by top medical professionals.

What We Like
Supports immune system, thyroid and metabolism functions
Superior absorption, stability and overall quality due to Albion Minerals chelated technology
Yeast-free, essential micronutrient selenium amino acid complex
Non-GMO, Gluten Free, Soy Free, and laboratory tested
Trusted brand since 1960, recommended by top medical professionals

Triquetra Health Selenium - Sublingual Liquid Concentrate

2M-Y2SJ-VASD
2 Fl Oz (Pack of 1)
Triquetra Health Selenium - Sublingual Liquid Concentrate Cover
Selenium - 200 mcg, Selenomethionine Form, 300 Servings - Vegan, Glass Bottle, Yeast Free - Sublingual Liquid Concentrate - Antioxidant, Supports Immunity, Thyroid Health (2 oz.)

Triquetra Health Selenium is a sublingual liquid concentrate that comes in a glass bottle with 300 servings. It contains 200 mcg of Selenomethionine form of selenium per serving, which has the highest absorption rate compared to other forms of selenium. The liquid form is highly versatile and easy to adjust dosage size. It is also a potent antioxidant that supports thyroid function, heart health, brain function, immunity, and prostate health. This vegan, soy-free, filler-free, preservative-free, and gluten-free supplement is produced in cGMP certified facilities in the USA and tested by the most stringent labs.

What We Like
Highly absorbable Selenomethionine form of selenium
Sublingual liquid concentrate for immediate absorption
Easy to adjust dosage size, highly versatile liquid drops
Supports thyroid function, heart health, brain function, immunity, and prostate health
Vegan, soy-free, filler-free, preservative-free, and gluten-free supplement
#TOP 8

NOW Selenium 100 mcg, 250 Tablets

N1482
NOW Selenium 100 mcg, 250 Tablets Cover
NOW Foods Supplements, Selenium (L-Selenomethionine) 100 mcg, Essential Mineral*, 250 Tablets

NOW Selenium 100 mcg is an essential trace mineral supplement that provides 100 mcg of selenium per tablet. Selenium is naturally found in Brazil nuts, organ meats, seafood, and wheat germ. This yeast-free supplement is easy to incorporate into your daily routine - simply take 1 tablet 1 to 2 times daily with food. NOW Selenium 100 mcg is vegan, soy free, non-GMO, and kosher, making it suitable for a variety of dietary preferences. With the NPA A-rated GMP certification, you can trust that this supplement has undergone rigorous testing for stability, potency, and product formulation. Packaged in the USA by a family owned and operated company since 1968, NOW Selenium 100 mcg is a reliable choice for your selenium needs.

What We Like
Essential trace mineral
Vegan, soy free, non-GMO
NPA A-rated GMP certification
#TOP 9

Natural Factors SelenoExcell Selenium 200mcg Capsules

Natural Factors SelenoExcell Selenium 200mcg Capsules Cover
Natural Factors, SelenoExcell Selenium 200mcg, Antioxidant & Immune Support, 90 Capsules

Natural Factors SelenoExcell Selenium 200mcg Capsules offer a bioavailable form of organically bound selenium yeast, which helps stimulate and protect the immune system, maintain a healthy heart and liver, and promote healthy cells. The product supports antibody production and is locally sourced, organic, and non-GMO. The product comes in a convenient size and is third-party certified for purity and potency.

What We Like
Bioavailable form of organically bound selenium yeast
Stimulate and protect the immune system, maintain a healthy heart and liver, and promote healthy cells
Locally sourced, organic, and non-GMO
#TOP 10

CFILIHTC Selenium Liquid Drops 200mcg

CFILIHTC
2 Fl Oz (Pack of 1)
CFILIHTC Selenium Liquid Drops 200mcg Cover
Selenium Liquid Drops, 200mcg Liquid Selenium Supplement with Vitamin C & Zinc, Support for Immune System, Antioxidant & Heart Health, High Absorption, Pineapple Flavor, 2 Fl Oz

CFILIHTC Selenium Drops provide essential nutrients like selenium, vitamin C, and zinc to support your immune system and overall wellness. These drops help maintain your body's natural defenses, giving you daily antioxidant support. Additionally, they promote healthy thyroid function and cardiovascular health, contributing to your well-being. With L-Selenomethionine, a highly absorbable form of selenium, you can effectively utilize these nutrients for maximum health benefits. Enjoy the refreshing pineapple flavor, making it easy and enjoyable to add this supplement to your daily routine.

What We Like
Immune system support
Antioxidant benefits
Thyroid health support
High nutrient absorption
Pineapple flavor
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What is the best form of selenium to take?

What is the best type of selenium supplement? Selenium in the form of selenomethionine may be the best option. This form has been shown to have superior absorption rates compared with other forms of selenium used in supplements, including sodium selenite ( 3 , 8 , 9 ).

2. How can I increase selenium naturally?

Many whole grains and dairy products, including milk and yogurt, are good sources of selenium. Some ready-to-eat breakfast cereals are fortified with selenium, and some fruits and vegetables contain selenium. Pork, beef, turkey, chicken, fish, shellfish, and eggs contain high amounts of selenium.

3. What is the supplement selenium good for?

Selenium plays an important role in the health of your immune system. This antioxidant helps lower oxidative stress in your body, which reduces inflammation and enhances immunity. Studies have demonstrated that increased blood levels of selenium are associated with enhanced immune response.

4. What are the symptoms of selenium deficiency?

What are the symptoms?. infertility in men and women.muscle weakness.fatigue.mental fog.hair loss.weakened immune system.

Editor's Notes

During our natural selenium supplement research, we found 24 natural selenium supplement products and shortlisted 10 quality products. We collected and analyzed 73,011 customer reviews through our big data system to write the natural selenium supplements list. We found that most customers choose natural selenium supplements with an average price of $16.32.

The natural selenium supplements are available for purchase. We have researched hundreds of brands and picked the top brands of natural selenium supplements, including Triquetra Health, Best Naturals, NATURAL SCIENTIFIC, MASON NATURAL, P Puregen Labs. The seller of top 1 product has received honest feedback from 2,785 consumers with an average rating of 4.9.

Written by
Elisa Drew Avatar

Elisa Drew is a really professional copywriter specializing in baby products with five years of experience working as a pediatrician once. She has published a series of baby books purchased by over thirty thousand people in the United States.